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   1  /*
   2   * FCKeditor - The text editor for internet
   3   * Copyright (C) 2003-2005 Frederico Caldeira Knabben
   4   * 
   5   * Licensed under the terms of the GNU Lesser General Public License:
   6   *         http://www.opensource.org/licenses/lgpl-license.php
   7   * 
   8   * For further information visit:
   9   *         http://www.fckeditor.net/
  10   * 
  11   * File Name: fckcontextmenu_ie.js
  12   *     Context Menu operations. (IE specific implementations)
  13   * 
  14   * File Authors:
  15   *         Frederico Caldeira Knabben (fredck@fckeditor.net)
  16   */
  17  
  18  function FCKContextMenu_OnContextMenu() { return false ; }
  19  
  20  FCKContextMenu.Show = function( x, y )
  21  {
  22      // Create the Popup used to show the menu (this is a IE 5.5+ feature).
  23      if ( ! this._Popup )
  24      {
  25          this._Popup = window.createPopup() ;
  26          this._Document = this._Popup.document ;
  27          this._Document.createStyleSheet( FCKConfig.SkinPath + 'fck_contextmenu.css' ) ;
  28          this._Document.oncontextmenu = FCKContextMenu_OnContextMenu ;
  29  
  30          aCleanupDocs[ aCleanupDocs.length ] = this._Document ;
  31      }
  32  
  33      // Create the context menu if needed.
  34      if ( !this._IsLoaded )
  35      {
  36          this.Reload() ;
  37          this._Div.style.visibility = '' ;
  38      }
  39  
  40      this.RefreshState() ;
  41  
  42      // IE doens't get the offsetWidth and offsetHeight values if the element is not visible.
  43      // So the Popup must be "shown" with no size to be able to get these values.
  44      this._Popup.show( x, y, 0, 0 ) ;
  45  
  46      // This was the previous solution. It works well to.
  47      // So a temporary element is created to get this for us.
  48      /*
  49      if ( !this._DivCopy )
  50      {
  51          this._DivCopy = document.createElement( 'DIV' ) ;
  52          this._DivCopy.className            = 'CM_ContextMenu' ;
  53          this._DivCopy.style.position    = 'absolute' ;
  54          this._DivCopy.style.visibility    = 'hidden' ;
  55          document.body.appendChild( this._DivCopy );
  56      }
  57  
  58      this._DivCopy.innerHTML = this._Div.innerHTML ;
  59      */
  60  
  61      // Show the Popup at the specified location.
  62      this._Popup.show( x, y, this._Div.offsetWidth, this._Div.offsetHeight ) ;
  63  }
  64  
  65  FCKContextMenu.Hide = function()
  66  {
  67      if ( this._Popup )
  68          this._Popup.hide() ;
  69  }